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diff --git a/plugins/libkolab/lib/kolab_storage_folder.php b/plugins/libkolab/lib/kolab_storage_folder.php
index c7a045f4..aaacecae 100644
--- a/plugins/libkolab/lib/kolab_storage_folder.php
+++ b/plugins/libkolab/lib/kolab_storage_folder.php
@@ -1,835 +1,838 @@
<?php
/**
* The kolab_storage_folder class represents an IMAP folder on the Kolab server.
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2012, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_storage_folder
{
/**
* The folder name.
* @var string
*/
public $name;
/**
* The type of this folder.
* @var string
*/
public $type;
/**
* Is this folder set to be the default for its type
* @var boolean
*/
public $default = false;
/**
* Is this folder set to be default
* @var boolean
*/
public $cache;
private $type_annotation;
private $imap;
private $info;
private $owner;
private $resource_uri;
private $uid2msg = array();
/**
* Default constructor
*/
function __construct($name, $type = null)
{
$this->imap = rcube::get_instance()->get_storage();
$this->imap->set_options(array('skip_deleted' => true));
$this->cache = new kolab_storage_cache($this);
$this->set_folder($name, $type);
}
/**
* Set the IMAP folder this instance connects to
*
* @param string The folder name/path
* @param string Optional folder type if known
*/
public function set_folder($name, $ftype = null)
{
if (!$ftype) {
$metadata = $this->imap->get_metadata($name, array(kolab_storage::CTYPE_KEY));
$this->type_annotation = $metadata[$name][kolab_storage::CTYPE_KEY];
}
else {
$this->type_annotation = $ftype;
}
list($this->type, $suffix) = explode('.', $this->type_annotation);
$this->default = $suffix == 'default';
$this->name = $name;
$this->resource_uri = null;
$this->imap->set_folder($this->name);
$this->cache->set_folder($this);
}
/**
*
*/
private function get_folder_info()
{
if (!isset($this->info))
$this->info = $this->imap->folder_info($this->name);
return $this->info;
}
/**
* Returns IMAP metadata/annotations (GETMETADATA/GETANNOTATION)
*
* @param array List of metadata keys to read
* @return array Metadata entry-value hash array on success, NULL on error
*/
public function get_metadata($keys)
{
$metadata = $this->imap->get_metadata($this->name, (array)$keys);
return $metadata[$this->name];
}
/**
* Sets IMAP metadata/annotations (SETMETADATA/SETANNOTATION)
*
* @param array $entries Entry-value array (use NULL value as NIL)
* @return boolean True on success, False on failure
*/
public function set_metadata($entries)
{
return $this->imap->set_metadata($this->name, $entries);
}
/**
* Returns the owner of the folder.
*
* @return string The owner of this folder.
*/
public function get_owner()
{
// return cached value
if (isset($this->owner))
return $this->owner;
$info = $this->get_folder_info();
$rcmail = rcube::get_instance();
switch ($info['namespace']) {
case 'personal':
$this->owner = $rcmail->get_user_name();
break;
case 'shared':
$this->owner = 'anonymous';
break;
default:
$owner = '';
list($prefix, $user) = explode($this->imap->get_hierarchy_delimiter(), $info['name']);
if (strpos($user, '@') === false) {
$domain = strstr($rcmail->get_user_name(), '@');
if (!empty($domain))
$user .= $domain;
}
$this->owner = $user;
break;
}
return $this->owner;
}
/**
* Getter for the name of the namespace to which the IMAP folder belongs
*
* @return string Name of the namespace (personal, other, shared)
*/
public function get_namespace()
{
return $this->imap->folder_namespace($this->name);
}
/**
* Get IMAP ACL information for this folder
*
* @return string Permissions as string
*/
public function get_myrights()
{
$rights = $this->info['rights'];
if (!is_array($rights))
$rights = $this->imap->my_rights($this->name);
return join('', (array)$rights);
}
/**
* Compose a unique resource URI for this IMAP folder
*/
public function get_resource_uri()
{
if (!empty($this->resource_uri))
return $this->resource_uri;
// strip namespace prefix from folder name
$ns = $this->get_namespace();
$nsdata = $this->imap->get_namespace($ns);
if (is_array($nsdata[0]) && strlen($nsdata[0][0]) && strpos($this->name, $nsdata[0][0]) === 0) {
$subpath = substr($this->name, strlen($nsdata[0][0]));
if ($ns == 'other') {
list($user, $suffix) = explode($nsdata[0][1], $subpath);
$subpath = $suffix;
}
}
else {
$subpath = $this->name;
}
// compose fully qualified ressource uri for this instance
$this->resource_uri = 'imap://' . urlencode($this->get_owner()) . '@' . $this->imap->options['host'] . '/' . $subpath;
return $this->resource_uri;
}
/**
* Check subscription status of this folder
*
* @param string Subscription type (kolab_storage::SERVERSIDE_SUBSCRIPTION or kolab_storage::CLIENTSIDE_SUBSCRIPTION)
* @return boolean True if subscribed, false if not
*/
public function is_subscribed($type = 0)
{
static $subscribed; // local cache
if ($type == kolab_storage::SERVERSIDE_SUBSCRIPTION) {
if (!$subscribed)
$subscribed = $this->imap->list_folders_subscribed();
return in_array($this->name, $subscribed);
}
else if (kolab_storage::CLIENTSIDE_SUBSCRIPTION) {
// TODO: implement this
return true;
}
return false;
}
/**
* Change subscription status of this folder
*
* @param boolean The desired subscription status: true = subscribed, false = not subscribed
* @param string Subscription type (kolab_storage::SERVERSIDE_SUBSCRIPTION or kolab_storage::CLIENTSIDE_SUBSCRIPTION)
* @return True on success, false on error
*/
public function subscribe($subscribed, $type = 0)
{
if ($type == kolab_storage::SERVERSIDE_SUBSCRIPTION) {
return $subscribed ? $this->imap->subscribe($this->name) : $this->imap->unsubscribe($this->name);
}
else {
// TODO: implement this
}
return false;
}
/**
* Get number of objects stored in this folder
*
* @param mixed Pseudo-SQL query as list of filter parameter triplets
* or string with object type (e.g. contact, event, todo, journal, note, configuration)
* @return integer The number of objects of the given type
* @see self::select()
*/
public function count($type_or_query = null)
{
if (!$type_or_query)
$query = array(array('type','=',$this->type));
else if (is_string($type_or_query))
$query = array(array('type','=',$type_or_query));
else
$query = (array)$type_or_query;
// synchronize cache first
$this->cache->synchronize();
return $this->cache->count($query);
}
/**
* List all Kolab objects of the given type
*
* @param string $type Object type (e.g. contact, event, todo, journal, note, configuration)
* @return array List of Kolab data objects (each represented as hash array)
*/
public function get_objects($type = null)
{
if (!$type) $type = $this->type;
// synchronize caches
$this->cache->synchronize();
// fetch objects from cache
return $this->cache->select(array(array('type','=',$type)));
}
/**
* Select *some* Kolab objects matching the given query
*
* @param array Pseudo-SQL query as list of filter parameter triplets
* triplet: array('<colname>', '<comparator>', '<value>')
* @return array List of Kolab data objects (each represented as hash array)
*/
public function select($query = array())
{
// check query argument
if (empty($query))
return $this->get_objects();
// synchronize caches
$this->cache->synchronize();
// fetch objects from cache
return $this->cache->select($this->_prepare_query($query));
}
/**
* Getter for object UIDs only
*
* @param array Pseudo-SQL query as list of filter parameter triplets
* @return array List of Kolab object UIDs
*/
public function get_uids($query = array())
{
// synchronize caches
$this->cache->synchronize();
// fetch UIDs from cache
return $this->cache->select($this->_prepare_query($query), true);
}
/**
* Helper method to sanitize query arguments
*/
private function _prepare_query($query)
{
$type = null;
foreach ($query as $i => $param) {
if ($param[0] == 'type') {
$type = $param[2];
}
- else if (($param[0] == 'dtstart' || $param[0] == 'dtend' || $param[0] == 'changed') && is_numeric($param[2])) {
- $query[$i][2] = date('Y-m-d H:i:s', $param[2]);
+ else if (($param[0] == 'dtstart' || $param[0] == 'dtend' || $param[0] == 'changed')) {
+ if (is_object($param[2]) && is_a($param[2], 'DateTime'))
+ $param[2] = $param[2]->format('U');
+ if (is_numeric($param[2]))
+ $query[$i][2] = date('Y-m-d H:i:s', $param[2]);
}
}
// add type selector if not in $query
if (!$type)
$query[] = array('type','=',$this->type);
return $query;
}
/**
* Getter for a single Kolab object, identified by its UID
*
* @param string Object UID
* @return array The Kolab object represented as hash array
*/
public function get_object($uid)
{
// synchronize caches
$this->cache->synchronize();
$msguid = $this->cache->uid2msguid($uid);
if ($msguid && ($object = $this->cache->get($msguid)))
return $object;
return false;
}
/**
* Fetch a Kolab object attachment which is stored in a separate part
* of the mail MIME message that represents the Kolab record.
*
* @param string Object's UID
* @param string The attachment's mime number
* @param string IMAP folder where message is stored;
* If set, that also implies that the given UID is an IMAP UID
* @return mixed The attachment content as binary string
*/
public function get_attachment($uid, $part, $mailbox = null)
{
if ($msguid = ($mailbox ? $uid : $this->cache->uid2msguid($uid))) {
$this->imap->set_folder($mailbox ? $mailbox : $this->name);
return $this->imap->get_message_part($msguid, $part);
}
return null;
}
/**
* Fetch the mime message from the storage server and extract
* the Kolab groupware object from it
*
* @param string The IMAP message UID to fetch
* @param string The object type expected (use wildcard '*' to accept all types)
* @param string The folder name where the message is stored
* @return mixed Hash array representing the Kolab object, a kolab_format instance or false if not found
*/
public function read_object($msguid, $type = null, $folder = null)
{
if (!$type) $type = $this->type;
if (!$folder) $folder = $this->name;
$this->imap->set_folder($folder);
$headers = $this->imap->get_message_headers($msguid);
$object_type = kolab_format::mime2object_type($headers->others['x-kolab-type']);
$content_type = kolab_format::KTYPE_PREFIX . $object_type;
// check object type header and abort on mismatch
if ($type != '*' && $object_type != $type)
return false;
$message = new rcube_message($msguid);
$attachments = array();
// get XML part
foreach ((array)$message->attachments as $part) {
if (!$xml && ($part->mimetype == $content_type || preg_match('!application/([a-z]+\+)?xml!', $part->mimetype))) {
$xml = $part->body ? $part->body : $message->get_part_content($part->mime_id);
}
else if ($part->filename || $part->content_id) {
$key = $part->content_id ? trim($part->content_id, '<>') : $part->filename;
$attachments[$key] = array(
'id' => $part->mime_id,
'name' => $part->filename,
'mimetype' => $part->mimetype,
'size' => $part->size,
);
}
}
if (!$xml) {
rcube::raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "Could not find Kolab data part in message $msguid ($this->name).",
), true);
return false;
}
$format = kolab_format::factory($object_type);
if (is_a($format, 'PEAR_Error'))
return false;
// check kolab format version
$mime_version = $headers->others['x-kolab-mime-version'];
if (empty($mime_version)) {
list($xmltype, $subtype) = explode('.', $object_type);
$xmlhead = substr($xml, 0, 512);
// detect old Kolab 2.0 format
if (strpos($xmlhead, '<' . $xmltype) !== false && strpos($xmlhead, 'xmlns=') === false)
$mime_version = 2.0;
else
$mime_version = 3.0; // assume 3.0
}
if ($mime_version <= 2.0) {
// read Kolab 2.0 format
$handler = class_exists('Horde_Kolab_Format') ? Horde_Kolab_Format::factory('XML', $xmltype, array('subtype' => $subtype)) : null;
if (!is_object($handler) || is_a($handler, 'PEAR_Error')) {
return false;
}
// XML-to-array
$object = $handler->load($xml);
$format->fromkolab2($object);
}
else {
// load Kolab 3 format using libkolabxml
$format->load($xml);
}
if ($format->is_valid()) {
$object = $format->to_array();
$object['_type'] = $object_type;
$object['_msguid'] = $msguid;
$object['_mailbox'] = $this->name;
$object['_attachments'] = array_merge((array)$object['_attachments'], $attachments);
$object['_formatobj'] = $format;
return $object;
}
else {
// try to extract object UID from XML block
if (preg_match('!<uid>(.+)</uid>!Uims', $xml, $m))
$msgadd = " UID = " . trim(strip_tags($m[1]));
rcube::raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "Could not parse Kolab object data in message $msguid ($this->name)." . $msgadd,
), true);
}
return false;
}
/**
* Save an object in this folder.
*
* @param array $object The array that holds the data of the object.
* @param string $type The type of the kolab object.
* @param string $uid The UID of the old object if it existed before
* @return boolean True on success, false on error
*/
public function save(&$object, $type = null, $uid = null)
{
if (!$type)
$type = $this->type;
// copy attachments from old message
if (!empty($object['_msguid']) && ($old = $this->cache->get($object['_msguid'], $type, $object['_mailbox']))) {
foreach ((array)$old['_attachments'] as $key => $att) {
if (!isset($object['_attachments'][$key])) {
$object['_attachments'][$key] = $old['_attachments'][$key];
}
// unset deleted attachment entries
if ($object['_attachments'][$key] == false) {
unset($object['_attachments'][$key]);
}
// load photo.attachment from old Kolab2 format to be directly embedded in xcard block
else if ($key == 'photo.attachment' && !isset($object['photo']) && !$object['_attachments'][$key]['content'] && $att['id']) {
$object['photo'] = $this->get_attachment($object['_msguid'], $att['id'], $object['_mailbox']);
unset($object['_attachments'][$key]);
}
}
}
// generate unique keys (used as content-id) for attachments
if (is_array($object['_attachments'])) {
$numatt = count($object['_attachments']);
foreach ($object['_attachments'] as $key => $attachment) {
if (is_numeric($key) && $key < $numatt) {
// derrive content-id from attachment file name
$ext = preg_match('/(\.[a-z0-9]{1,6})$/i', $attachment['name'], $m) ? $m[1] : null;
$basename = preg_replace('/[^a-z0-9_.-]/i', '', basename($attachment['name'], $ext)); // to 7bit ascii
if (!$basename) $basename = 'noname';
$cid = $basename . '.' . microtime(true) . $ext;
$object['_attachments'][$cid] = $attachment;
unset($object['_attachments'][$key]);
}
}
}
if ($raw_msg = $this->build_message($object, $type)) {
$result = $this->imap->save_message($this->name, $raw_msg, '', false);
// delete old message
if ($result && !empty($object['_msguid']) && !empty($object['_mailbox'])) {
$this->imap->delete_message($object['_msguid'], $object['_mailbox']);
$this->cache->set($object['_msguid'], false, $object['_mailbox']);
}
else if ($result && $uid && ($msguid = $this->cache->uid2msguid($uid))) {
$this->imap->delete_message($msguid, $this->name);
$this->cache->set($object['_msguid'], false);
}
// update cache with new UID
if ($result) {
$object['_msguid'] = $result;
$this->cache->set($result, $object);
}
}
return $result;
}
/**
* Delete the specified object from this folder.
*
* @param mixed $object The Kolab object to delete or object UID
* @param boolean $expunge Should the folder be expunged?
*
* @return boolean True if successful, false on error
*/
public function delete($object, $expunge = true)
{
$msguid = is_array($object) ? $object['_msguid'] : $this->cache->uid2msguid($object);
$success = false;
if ($msguid && $expunge) {
$success = $this->imap->delete_message($msguid, $this->name);
}
else if ($msguid) {
$success = $this->imap->set_flag($msguid, 'DELETED', $this->name);
}
if ($success) {
$this->cache->set($result, false);
}
return $success;
}
/**
*
*/
public function delete_all()
{
$this->cache->purge();
return $this->imap->clear_folder($this->name);
}
/**
* Restore a previously deleted object
*
* @param string Object UID
* @return mixed Message UID on success, false on error
*/
public function undelete($uid)
{
if ($msguid = $this->cache->uid2msguid($uid, true)) {
if ($this->imap->set_flag($msguid, 'UNDELETED', $this->name)) {
return $msguid;
}
}
return false;
}
/**
* Move a Kolab object message to another IMAP folder
*
* @param string Object UID
* @param string IMAP folder to move object to
* @return boolean True on success, false on failure
*/
public function move($uid, $target_folder)
{
if ($msguid = $this->cache->uid2msguid($uid)) {
if ($success = $this->imap->move_message($msguid, $target_folder, $this->name)) {
$this->cache->move($msguid, $uid, $target_folder);
return true;
}
else {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to move message $msguid to $target_folder: " . $this->imap->get_error_str(),
), true);
}
}
return false;
}
/**
* Creates source of the configuration object message
*/
private function build_message(&$object, $type)
{
// load old object to preserve data we don't understand/process
if (is_object($object['_formatobj']))
$format = $object['_formatobj'];
else if ($object['_msguid'] && ($old = $this->cache->get($object['_msguid'], $type, $object['_mailbox'])))
$format = $old['_formatobj'];
// create new kolab_format instance
if (!$format)
$format = kolab_format::factory($type);
if (PEAR::isError($format))
return false;
$format->set($object);
$xml = $format->write();
$object['uid'] = $format->uid; // read UID from format
$object['_formatobj'] = $format;
if (!$format->is_valid() || empty($object['uid'])) {
return false;
}
$mime = new Mail_mime("\r\n");
$rcmail = rcube::get_instance();
$headers = array();
$part_id = 1;
if ($ident = $rcmail->user->get_identity()) {
$headers['From'] = $ident['email'];
$headers['To'] = $ident['email'];
}
$headers['Date'] = date('r');
$headers['X-Kolab-Type'] = kolab_format::KTYPE_PREFIX . $type;
$headers['X-Kolab-Mime-Version'] = kolab_format::VERSION;
$headers['Subject'] = $object['uid'];
// $headers['Message-ID'] = $rcmail->gen_message_id();
$headers['User-Agent'] = $rcmail->config->get('useragent');
$mime->headers($headers);
$mime->setTXTBody('This is a Kolab Groupware object. '
. 'To view this object you will need an email client that understands the Kolab Groupware format. '
. "For a list of such email clients please visit http://www.kolab.org/\n\n");
$mime->addAttachment($xml, // file
$format->CTYPE, // content-type
'kolab.xml', // filename
false, // is_file
'8bit', // encoding
'attachment', // disposition
RCMAIL_CHARSET // charset
);
$part_id++;
// save object attachments as separate parts
// TODO: optimize memory consumption by using tempfiles for transfer
foreach ((array)$object['_attachments'] as $key => $att) {
if (empty($att['content']) && !empty($att['id'])) {
$msguid = !empty($object['_msguid']) ? $object['_msguid'] : $object['uid'];
$att['content'] = $this->get_attachment($msguid, $att['id'], $object['_mailbox']);
}
$headers = array('Content-ID' => Mail_mimePart::encodeHeader('Content-ID', '<' . $key . '>', RCMAIL_CHARSET, 'quoted-printable'));
$name = !empty($att['name']) ? $att['name'] : $key;
if (!empty($att['content'])) {
$mime->addAttachment($att['content'], $att['mimetype'], $name, false, 'base64', 'attachment', '', '', '', null, null, '', RCMAIL_CHARSET, $headers);
$part_id++;
}
else if (!empty($att['path'])) {
$mime->addAttachment($att['path'], $att['mimetype'], $name, true, 'base64', 'attachment', '', '', '', null, null, '', RCMAIL_CHARSET, $headers);
$part_id++;
}
$object['_attachments'][$key]['id'] = $part_id;
}
return $mime->getMessage();
}
/**
* Triggers any required updates after changes within the
* folder. This is currently only required for handling free/busy
* information with Kolab.
*
* @return boolean|PEAR_Error True if successfull.
*/
public function trigger()
{
$owner = $this->get_owner();
$result = false;
switch($this->type) {
case 'event':
if ($this->get_namespace() == 'personal') {
$result = $this->trigger_url(
sprintf('%s/trigger/%s/%s.pfb', kolab_storage::get_freebusy_server(), $owner, $this->imap->mod_folder($this->name)),
$this->imap->options['user'],
$this->imap->options['password']
);
}
break;
default:
return true;
}
if ($result && is_object($result) && is_a($result, 'PEAR_Error')) {
return PEAR::raiseError(sprintf("Failed triggering folder %s. Error was: %s",
$this->name, $result->getMessage()));
}
return $result;
}
/**
* Triggers a URL.
*
* @param string $url The URL to be triggered.
* @param string $auth_user Username to authenticate with
* @param string $auth_passwd Password for basic auth
* @return boolean|PEAR_Error True if successfull.
*/
private function trigger_url($url, $auth_user = null, $auth_passwd = null)
{
require_once('HTTP/Request2.php');
try {
$rcmail = rcube::get_instance();
$request = new HTTP_Request2($url);
$request->setConfig(array('ssl_verify_peer' => $rcmail->config->get('kolab_ssl_verify_peer', true)));
// set authentication credentials
if ($auth_user && $auth_passwd)
$request->setAuth($auth_user, $auth_passwd);
$result = $request->send();
// rcube::write_log('trigger', $result->getBody());
}
catch (Exception $e) {
return PEAR::raiseError($e->getMessage());
}
return true;
}
}

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